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-rw-r--r--xlators/performance/open-behind/src/open-behind.c27
1 files changed, 16 insertions, 11 deletions
diff --git a/xlators/performance/open-behind/src/open-behind.c b/xlators/performance/open-behind/src/open-behind.c
index 268c717..14ebc12 100644
--- a/xlators/performance/open-behind/src/open-behind.c
+++ b/xlators/performance/open-behind/src/open-behind.c
@@ -206,8 +206,13 @@ ob_fd_free(ob_fd_t *ob_fd)
if (ob_fd->xdata)
dict_unref(ob_fd->xdata);
- if (ob_fd->open_frame)
+ if (ob_fd->open_frame) {
+ /* If we sill have a frame it means that background open has never
+ * been triggered. We need to release the pending reference. */
+ fd_unref(ob_fd->fd);
+
STACK_DESTROY(ob_fd->open_frame->root);
+ }
GF_FREE(ob_fd);
}
@@ -297,6 +302,7 @@ ob_wake_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
call_resume(stub);
}
+ /* The background open is completed. We can release the 'fd' reference. */
fd_unref(fd);
STACK_DESTROY(frame->root);
@@ -331,7 +337,9 @@ ob_fd_wake(xlator_t *this, fd_t *fd, ob_fd_t *ob_fd)
}
if (frame) {
- frame->local = fd_ref(fd);
+ /* We don't need to take a reference here. We already have a reference
+ * while the open is pending. */
+ frame->local = fd;
STACK_WIND(frame, ob_wake_cbk, FIRST_CHILD(this),
FIRST_CHILD(this)->fops->open, &ob_fd->loc, ob_fd->flags, fd,
@@ -345,15 +353,12 @@ void
ob_inode_wake(xlator_t *this, struct list_head *ob_fds)
{
ob_fd_t *ob_fd = NULL, *tmp = NULL;
- fd_t *fd = NULL;
if (!list_empty(ob_fds)) {
list_for_each_entry_safe(ob_fd, tmp, ob_fds, ob_fds_on_inode)
{
ob_fd_wake(this, ob_fd->fd, ob_fd);
- fd = ob_fd->fd;
ob_fd_free(ob_fd);
- fd_unref(fd);
}
}
}
@@ -365,7 +370,7 @@ ob_fd_copy(ob_fd_t *src, ob_fd_t *dst)
if (!src || !dst)
goto out;
- dst->fd = __fd_ref(src->fd);
+ dst->fd = src->fd;
dst->loc.inode = inode_ref(src->loc.inode);
gf_uuid_copy(dst->loc.gfid, src->loc.gfid);
dst->flags = src->flags;
@@ -509,7 +514,6 @@ ob_open_behind(call_frame_t *frame, xlator_t *this, loc_t *loc, int flags,
ob_fd->ob_inode = ob_inode;
- /* don't do fd_ref, it'll cause leaks */
ob_fd->fd = fd;
ob_fd->open_frame = copy_frame(frame);
@@ -539,15 +543,16 @@ ob_open_behind(call_frame_t *frame, xlator_t *this, loc_t *loc, int flags,
}
UNLOCK(&fd->inode->lock);
- if (!open_in_progress && !unlinked) {
- fd_ref(fd);
+ /* We take a reference while the background open is pending or being
+ * processed. If we finally wind the request in the foreground, then
+ * ob_fd_free() will take care of this additional reference. */
+ fd_ref(fd);
+ if (!open_in_progress && !unlinked) {
STACK_UNWIND_STRICT(open, frame, 0, 0, fd, xdata);
if (!conf->lazy_open)
ob_fd_wake(this, fd, NULL);
-
- fd_unref(fd);
} else {
ob_fd_free(ob_fd);
STACK_WIND(frame, default_open_cbk, FIRST_CHILD(this),